Year current US$ 1977 550000.011920929 1980 1090000.0333786 1981 1480000.01907349 1982 1529999.97138977 1983 1190000.0572204601 1984 1490000.0095367401 1985 829999.983310699 1986 529999.971389771 1987 660000.026226044 1988 1210000.03814697 1989 519999.980926514 1990 1000000 1991 769999.980926514 1992 750000 1993 699999.988079071 1994 1200000.04768372 1995 1009999.99046326 1996 1700000.04768372 1997 910000.026226044 1998 1710000.03814697 1999 959999.978542328 2000 550000.011920929 2001 1389999.98569489 2002 1230000.01907349 2003 -170000.00178813902 2004 949999.988079071 2005 860000.014305115 2006 2000000 2007 1159999.9666214 2008 1090000.0333786 2009 2180000.0667572 2010 2950000.04768372 2011 2829999.92370605 2012 3324970.96061707 2013 1646126.98554993 2014 1733007.90786743 2015 1258444.90528107 2016 837738.215923309 2017 648619.592189789 2018 632250.010967255 2019 1044137.0010376001 2020 1477390.05088806 2021 1174062.4904632599 2022 2923360.10932922